{"product_id":"icm492d-single-phase-digital-line-voltage-monitor","title":"ICM492D Single-Phase Digital Line Voltage Monitor","description":"\u003ch1\u003eICM492D Single-Phase Digital Line Voltage Monitor\u003c\/h1\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eICM492D is a microprocessor-based, single-phase line voltage monitor that continuously displays true-RMS voltage on a backlit digital screen. It protects equipment against over- and under-voltage conditions, rapid short cycling, and transient interruptions by switching an SPDT dry-contact relay based on user-programmed thresholds. Equipped with a 5-fault memory, it records and displays the highest and lowest voltage faults for streamlined troubleshooting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"relative pb-6 w-full after:border-b after:border-stroke-300 after:w-full after:absolute after:mt-3\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine voltage input\u003c\/td\u003e\n\u003ctd\u003e80–300 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eBacklit digital RMS voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage setpoint range\u003c\/td\u003e\n\u003ctd\u003e95–280 VAC (user adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver\/Under voltage setting\u003c\/td\u003e\n\u003ctd\u003eAdjustable 5–25% above\/below setpoint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-short cycle time delay\u003c\/td\u003e\n\u003ctd\u003e0–720 sec (user adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse time\u003c\/td\u003e\n\u003ctd\u003e0.1–10 sec (user adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault memory\u003c\/td\u003e\n\u003ctd\u003eStores last five faults\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl voltage input\u003c\/td\u003e\n\u003ctd\u003e18–240 VAC optional for thermostat integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay output\u003c\/td\u003e\n\u003ctd\u003eSPDT dry contacts; N.C.\/N.O. contacts rated 10 A resistive @ 277 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e–40 °C to +70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e–40 °C to +85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003eUp to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase dimensions\u003c\/td\u003e\n\u003ctd\u003e3″ L × 3.2″ W × 1.35″ H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.36 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"relative pb-6 w-full after:border-b after:border-stroke-300 after:w-full after:absolute after:mt-3\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eCross-Reference Part Numbers\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eICM492D\u003c\/td\u003e\n\u003ctd\u003eCurrent single-phase digital voltage monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eICM492\u003c\/td\u003e\n\u003ctd\u003eOriginal revision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eICM492A\/B\/C\u003c\/td\u003e\n\u003ctd\u003ePrevious firmware\/hardware revisions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSingle-phase motors, compressors, pumps, and HVAC equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApplications requiring precise protection against voltage anomalies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDirect drop-in upgrade for ICM492 and legacy digital line monitors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTechnician Notes\u003c\/h2\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDisconnect all power before servicing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMount the ICM492D securely to the equipment chassis in a dry, accessible location.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWire L1 and L2 to the line voltage terminals; connect optional control voltage (18–240 VAC) if thermostat integration is needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ps-2\"\u003e\n\u003cp\u003e\u003cspan\u003eUse the UP, DOWN, and SELECT buttons to set nominal voltage, over\/under percentages, response time, and anti-short-cycle delay.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify the digital display with a true-RMS meter; calibrate via the menu if required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInitiate a load; confirm COM-to-N.O. closes at the setpoint and COM-to-N.C. closes on fault.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eClear fault history by pressing UP + DOWN + SELECT simultaneously.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePeriodically review fault memory to diagnose recurring voltage issues.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eAdditional Resources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eICM Controls ICM492D Installation \u0026amp; Programming Guide (PDF)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ps-2\"\u003e\n\u003cp\u003e\u003cspan\u003ePrintable voltage monitor cross-reference sheet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neuco","offers":[{"title":"Default Title","offer_id":42414601699394,"sku":"ICM492D","price":136.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/icm492c-lf-3.jpg?v=1756186132","url":"https:\/\/hvacpartstore.com\/products\/icm492d-single-phase-digital-line-voltage-monitor","provider":"HVACpartstore","version":"1.0","type":"link"}